Emulating Non-Hermitian Dynamics in a Finite Non-Dissipative Quantum System
Eloi Flament,
François Impens,
David Guéry-Odelin
Abstract:We discuss the emulation of non-Hermitian dynamics during a given time window using a low-dimensional quantum system coupled to a finite set of equidistant discrete states acting as an effective continuum. We first emulate the decay of an unstable state and map the quasi-continuum parameters, enabling the precise approximation of non-Hermitian dynamics. The limitations of this model, including in particular short- and long-time deviations, are extensively discussed. We then consider a driven two-level system a… Show more
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